Often the grip area on weights are rough so you get traction but they will also tear your skin if you are not conditioned to it.

Gloves protect your skin, and improve your grip, keeping sweat off the weights.

-Helps grip

-Helps the forearm muscles by widening your grip, thus making it less likely to develop tendonitis.

People wear them so they have better grip and so blisters do not show up!

more grip and more protection for your hands